a cool customer

• 大胆冷静的家伙,厚脸皮的家伙

a cool customer的用法和样例：

例句

1. One must have a thick hide to do such a thing.
   厚脸皮的人才干得出这种事。
2. He's really a thick-skinned gate-crasher.
   他真是个厚脸皮的不速之客。